70 lines
2.1 KiB
JavaScript
70 lines
2.1 KiB
JavaScript
import Mixin from '@ember/object/mixin';
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import { get } from '@ember/object';
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import RSVP from 'rsvp';
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const { keys } = Object;
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const { isArray } = Array;
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export default Mixin.create({
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validationSave(changesets, postSave) {
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let promises = [], changes = [], saves = [], isValid = true;
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let modelChangeset = changesets['model'];
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// first, delete anything that needs to be removed
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for (const model of changesets['delete']) {
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promises.push(model.destroyRecord());
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}
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// second, handle changes on parent model (this is important if new)
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modelChangeset.validate().then(() => {
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if (modelChangeset.get('isValid')) {
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return modelChangeset.save();
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}
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}).then(() => {
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for (const hasMany of keys(changesets['hasMany'])) {
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for (const { changeset } of changesets['hasMany'][hasMany]) {
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promises.push(changeset.validate());
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changes.push(changeset);
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}
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}
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return RSVP.all(promises);
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}).then(() => { // don't need the promises, just that they are done.
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for (let changeset of changes) {
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if (get(changeset, 'isValid')) {
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let saver = changeset.save().catch((error) => {
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/* eslint-disable no-console */
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console.log(error);
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/* eslint-enable no-console */
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// TODO: do something with server-side non-attr errors
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});
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saves.push(saver);
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} else {
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isValid = false;
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}
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}
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return RSVP.all(saves);
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}).then(() => {
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if (isValid) { return postSave(); }
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});
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},
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validationCancel(changesets, postCancel) {
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delete changesets['delete'];
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for (const key of keys(changesets)) {
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if (key === 'new') {
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for (const model of changesets[key]) {
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model.destroyRecord();
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}
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} else if (isArray(changesets[key])) { // hasMany
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for (const { changeset } of changesets[key]) {
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changeset.rollback();
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}
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} else { // single
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const changeset = changesets[key];
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changeset.rollback();
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}
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}
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return postCancel();
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},
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});
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